1515428640150 has 96 divisors (see below), whose sum is σ = 3850803095328. Its totient is φ = 394168243200.

The previous prime is 1515428640139. The next prime is 1515428640169. The reversal of 1515428640150 is 510468245151.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29574352 + ... + 29625548.

It is an arithmetic number, because the mean of its divisors is an integer number (40112532243).

Almost surely, 2^{1515428640150} is an apocalyptic number.

1515428640150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1515428640150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925401547664).

1515428640150 is an abundant number, since it is smaller than the sum of its proper divisors (2335374455178).

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

1515428640150 is a wasteful number, since it uses less digits than its factorization.

1515428640150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56066 (or 56061 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 1515428640150 in words is "one trillion, five hundred fifteen billion, four hundred twenty-eight million, six hundred forty thousand, one hundred fifty".