15325426667540 has 288 divisors, whose sum is σ = 36390332160000. Its totient is φ = 5414832783360.

The previous prime is 15325426667539. The next prime is 15325426667569. The reversal of 15325426667540 is 4576662452351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12270156836 + ... + 12270158084.

It is an arithmetic number, because the mean of its divisors is an integer number (126355320000).

Almost surely, 2^{15325426667540} is an apocalyptic number.

15325426667540 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 15325426667540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18195166080000).

15325426667540 is an abundant number, since it is smaller than the sum of its proper divisors (21064905492460).

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

15325426667540 is a wasteful number, since it uses less digits than its factorization.

15325426667540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 56.

The spelling of 15325426667540 in words is "fifteen trillion, three hundred twenty-five billion, four hundred twenty-six million, six hundred sixty-seven thousand, five hundred forty".