155424857136025 has 24 divisors (see below), whose sum is σ = 204514830480960. Its totient is φ = 116917976514240.

The previous prime is 155424857136023. The next prime is 155424857136097. The reversal of 155424857136025 is 520631758424551.

It is not a de Polignac number, because 155424857136025 - 2¹ = 155424857136023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155424857136023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2290678782 + ... + 2290746631.

It is an arithmetic number, because the mean of its divisors is an integer number (8521451270040).

Almost surely, 2^{155424857136025} is an apocalyptic number.

It is an amenable number.

155424857136025 is a deficient number, since it is larger than the sum of its proper divisors (49089973344935).

155424857136025 is a wasteful number, since it uses less digits than its factorization.

155424857136025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581425505 (or 4581425500 counting only the distinct ones).

The product of its (nonzero) digits is 40320000, while the sum is 58.

The spelling of 155424857136025 in words is "one hundred fifty-five trillion, four hundred twenty-four billion, eight hundred fifty-seven million, one hundred thirty-six thousand, twenty-five".