33890545011925 has 48 divisors (see below), whose sum is σ = 48368011749120. Its totient is φ = 23074795560960.

The previous prime is 33890545011853. The next prime is 33890545011941. The reversal of 33890545011925 is 52911054509833.

It is not a de Polignac number, because 33890545011925 - 2¹⁷ = 33890544880853 is a prime.

It is a super-2 number, since 2×33890545011925² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38274552 + ... + 39149998.

It is an arithmetic number, because the mean of its divisors is an integer number (1007666911440).

Almost surely, 2^{33890545011925} is an apocalyptic number.

33890545011925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33890545011925 is a deficient number, since it is larger than the sum of its proper divisors (14477466737195).

33890545011925 is a wasteful number, since it uses less digits than its factorization.

33890545011925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877030 (or 877025 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 55.

The spelling of 33890545011925 in words is "thirty-three trillion, eight hundred ninety billion, five hundred forty-five million, eleven thousand, nine hundred twenty-five".