102142011551 has 8 divisors (see below), whose sum is σ = 103613061024. Its totient is φ = 100671863040.

The previous prime is 102142011547. The next prime is 102142011553. The reversal of 102142011551 is 155110241201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102142011551 - 2² = 102142011547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102142011553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4811 + ... + 452003.

It is an arithmetic number, because the mean of its divisors is an integer number (12951632628).

Almost surely, 2^102142011551 is an apocalyptic number.

102142011551 is a deficient number, since it is larger than the sum of its proper divisors (1471049473).

102142011551 is an equidigital number, since it uses as much as digits as its factorization.

102142011551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450481.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 102142011551 its reverse (155110241201), we get a palindrome (257252252752).

The spelling of 102142011551 in words is "one hundred two billion, one hundred forty-two million, eleven thousand, five hundred fifty-one".