102051041501240 has 128 divisors (see below), whose sum is σ = 251954389814400. Its totient is φ = 36967782758400.

The previous prime is 102051041501239. The next prime is 102051041501281. The reversal of 102051041501240 is 42105140150201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735810221 + ... + 735948899.

It is an arithmetic number, because the mean of its divisors is an integer number (1968393670425).

Almost surely, 2^{102051041501240} is an apocalyptic number.

102051041501240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102051041501240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125977194907200).

102051041501240 is an abundant number, since it is smaller than the sum of its proper divisors (149903348313160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102051041501240 is a wasteful number, since it uses less digits than its factorization.

102051041501240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165457 (or 165453 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 102051041501240 its reverse (42105140150201), we get a palindrome (144156181651441).

The spelling of 102051041501240 in words is "one hundred two trillion, fifty-one billion, forty-one million, five hundred one thousand, two hundred forty".