15155450125040 has 40 divisors (see below), whose sum is σ = 35244947937888. Its totient is φ = 6060713143040.

The previous prime is 15155450124949. The next prime is 15155450125091. The reversal of 15155450125040 is 4052105455151.

15155450125040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 15155450124985 and 15155450125003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22587716 + ... + 23248995.

Almost surely, 2^{15155450125040} is an apocalyptic number.

15155450125040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15155450125040 is an abundant number, since it is smaller than the sum of its proper divisors (20089497812848).

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

15155450125040 is a wasteful number, since it uses less digits than its factorization.

15155450125040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45840857 (or 45840851 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 15155450125040 in words is "fifteen trillion, one hundred fifty-five billion, four hundred fifty million, one hundred twenty-five thousand, forty".