2151155033651 has 8 divisors (see below), whose sum is σ = 2316754884864. Its totient is φ = 1985573237760.

The previous prime is 2151155033623. The next prime is 2151155033669. The reversal of 2151155033651 is 1563305511512.

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 2151155033651 - 2³⁸ = 1876277126707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151155033051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4265870 + ... + 4743411.

It is an arithmetic number, because the mean of its divisors is an integer number (289594360608).

Almost surely, 2^{2151155033651} is an apocalyptic number.

2151155033651 is a deficient number, since it is larger than the sum of its proper divisors (165599851213).

2151155033651 is a wasteful number, since it uses less digits than its factorization.

2151155033651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027661.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 2151155033651 in words is "two trillion, one hundred fifty-one billion, one hundred fifty-five million, thirty-three thousand, six hundred fifty-one".