2154520036025 has 24 divisors (see below), whose sum is σ = 3186013236864. Its totient is φ = 1413151027200.

The previous prime is 2154520036007. The next prime is 2154520036033. The reversal of 2154520036025 is 5206300254512.

It is not a de Polignac number, because 2154520036025 - 2⁶ = 2154520035961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267638216 + ... + 267646265.

It is an arithmetic number, because the mean of its divisors is an integer number (132750551536).

Almost surely, 2^{2154520036025} is an apocalyptic number.

2154520036025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154520036025 is a deficient number, since it is larger than the sum of its proper divisors (1031493200839).

2154520036025 is a wasteful number, since it uses less digits than its factorization.

2154520036025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535284521 (or 535284516 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 2154520036025 in words is "two trillion, one hundred fifty-four billion, five hundred twenty million, thirty-six thousand, twenty-five".