25150215069 has 16 divisors (see below), whose sum is σ = 42582375040. Its totient is φ = 14371551360.

The previous prime is 25150215067. The next prime is 25150215071. The reversal of 25150215069 is 96051205152.

It is an interprime number because it is at equal distance from previous prime (25150215067) and next prime (25150215071).

It is not a de Polignac number, because 25150215069 - 2¹ = 25150215067 is a prime.

It is a super-2 number, since 2×25150215069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25150215067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66534772 + ... + 66535149.

It is an arithmetic number, because the mean of its divisors is an integer number (2661398440).

Almost surely, 2^25150215069 is an apocalyptic number.

It is an amenable number.

25150215069 is a deficient number, since it is larger than the sum of its proper divisors (17432159971).

25150215069 is a wasteful number, since it uses less digits than its factorization.

25150215069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133069937 (or 133069931 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 25150215069 in words is "twenty-five billion, one hundred fifty million, two hundred fifteen thousand, sixty-nine".