155109466951 has 2 divisors, whose sum is σ = 155109466952. Its totient is φ = 155109466950.

The previous prime is 155109466949. The next prime is 155109466969. The reversal of 155109466951 is 159664901551.

155109466951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155109466951 - 2¹ = 155109466949 is a prime.

It is a super-2 number, since 2×155109466951² (a number of 23 digits) contains 22 as substring.

Together with 155109466949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155109466651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77554733475 + 77554733476.

It is an arithmetic number, because the mean of its divisors is an integer number (77554733476).

Almost surely, 2^155109466951 is an apocalyptic number.

155109466951 is a deficient number, since it is larger than the sum of its proper divisors (1).

155109466951 is an equidigital number, since it uses as much as digits as its factorization.

155109466951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 52.

The spelling of 155109466951 in words is "one hundred fifty-five billion, one hundred nine million, four hundred sixty-six thousand, nine hundred fifty-one".