25140533155 has 8 divisors (see below), whose sum is σ = 30385681200. Its totient is φ = 19967732256.

The previous prime is 25140533101. The next prime is 25140533219. The reversal of 25140533155 is 55133504152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25140533155 - 2¹⁵ = 25140500387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25140533155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18086020 + ... + 18087409.

It is an arithmetic number, because the mean of its divisors is an integer number (3798210150).

Almost surely, 2^25140533155 is an apocalyptic number.

25140533155 is a deficient number, since it is larger than the sum of its proper divisors (5245148045).

25140533155 is a wasteful number, since it uses less digits than its factorization.

25140533155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36173573.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 25140533155 in words is "twenty-five billion, one hundred forty million, five hundred thirty-three thousand, one hundred fifty-five".