2155462003625 has 32 divisors (see below), whose sum is σ = 3173475821568. Its totient is φ = 1430352648000.

The previous prime is 2155462003621. The next prime is 2155462003633. The reversal of 2155462003625 is 5263002645512.

It is not a de Polignac number, because 2155462003625 - 2² = 2155462003621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2155462003621) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 39704894 + ... + 39759143.

It is an arithmetic number, because the mean of its divisors is an integer number (99171119424).

Almost surely, 2^{2155462003625} is an apocalyptic number.

2155462003625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2155462003625 is a deficient number, since it is larger than the sum of its proper divisors (1018013817943).

2155462003625 is an equidigital number, since it uses as much as digits as its factorization.

2155462003625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79464090 (or 79464080 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 2155462003625 in words is "two trillion, one hundred fifty-five billion, four hundred sixty-two million, three thousand, six hundred twenty-five".