25157761230 has 64 divisors (see below), whose sum is σ = 69034291200. Its totient is φ = 5747833344.

The previous prime is 25157761217. The next prime is 25157761267. The reversal of 25157761230 is 3216775152.

It is a happy number.

It is a super-2 number, since 2×25157761230² (a number of 22 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 31 ways as a sum of consecutive naturals, for example, 478822 + ... + 528758.

It is an arithmetic number, because the mean of its divisors is an integer number (1078660800).

Almost surely, 2^25157761230 is an apocalyptic number.

25157761230 is an abundant number, since it is smaller than the sum of its proper divisors (43876529970).

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

25157761230 is a wasteful number, since it uses less digits than its factorization.

25157761230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52353.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 25157761230 in words is "twenty-five billion, one hundred fifty-seven million, seven hundred sixty-one thousand, two hundred thirty".