120403260434551 has 8 divisors (see below), whose sum is σ = 121601677762800. Its totient is φ = 119204966750400.

The previous prime is 120403260434533. The next prime is 120403260434557. The reversal of 120403260434551 is 155434062304021.

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 120403260434551 - 2¹¹ = 120403260432503 is a prime.

It is a super-2 number, since 2×120403260434551² (a number of 29 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 (120403260434557) 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, 28953141 + ... + 32849518.

It is an arithmetic number, because the mean of its divisors is an integer number (15200209720350).

Almost surely, 2^{120403260434551} is an apocalyptic number.

120403260434551 is a deficient number, since it is larger than the sum of its proper divisors (1198417328249).

120403260434551 is a wasteful number, since it uses less digits than its factorization.

120403260434551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61822049.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 120403260434551 in words is "one hundred twenty trillion, four hundred three billion, two hundred sixty million, four hundred thirty-four thousand, five hundred fifty-one".