15451525115012 has 192 divisors, whose sum is σ = 33150313082880. Its totient is φ = 6154662818304.

The previous prime is 15451525114997. The next prime is 15451525115021. The reversal of 15451525115012 is 21051152515451.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14136801938 + ... + 14136803030.

It is an arithmetic number, because the mean of its divisors is an integer number (172657880640).

Almost surely, 2^{15451525115012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15451525115012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16575156541440).

15451525115012 is an abundant number, since it is smaller than the sum of its proper divisors (17698787967868).

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

15451525115012 is a wasteful number, since it uses less digits than its factorization.

15451525115012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 38.

The spelling of 15451525115012 in words is "fifteen trillion, four hundred fifty-one billion, five hundred twenty-five million, one hundred fifteen thousand, twelve".